View Compilation Error

0_0_39625140_2975.c: In function 'main':
0_0_39625140_2975.c:3:37: error: 'EOF' undeclared (first use in this function)
    3 |         while(scanf("%d %d",&a,&b)!=EOF){
      |                                     ^~~
0_0_39625140_2975.c:1:1: note: 'EOF' is defined in header '<stdio.h>'; did you forget to '#include <stdio.h>'?
  +++ |+#include <stdio.h>
    1 | int main(void){
0_0_39625140_2975.c:3:37: note: each undeclared identifier is reported only once for each function it appears in
    3 |         while(scanf("%d %d",&a,&b)!=EOF){
      |                                     ^~~